✦ LIBER ✦

Mass spectrometry of macroheterocycles. 1. Mass spectra of isomeric bicyclic crown ethers

✍ Scribed by A. I. Gren'; A. V. Mazepa; A. V. Lobach; N. G. Luk'yanenko; O. S. Timofeev

Publisher: Springer US
Year: 1991
Tongue: English
Weight: 340 KB
Volume: 27
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00474225

No coin nor oath required. For personal study only.

✦ Synopsis

extract was dried over CaCI 2 and evaporated in vacuo. The residue was purified by column chromatography [silica gel, benzene--ethyl acetate (5:1)] and recrystallized from benzene--heptane to give 1.98 g (48%) of III.

📜 SIMILAR VOLUMES

Mass spectrometry of crown ethers

✍ H. Gleispach; H. J. Leis; Ç. Erk; M. Bulut 📂 Article 📅 1996 🏛 Springer Netherlands 🌐 English ⚖ 493 KB

Mass spectra of binuclear crown ethers

✍ A. I. Gren'; N. G. Luk'yanenko; A. V. Mazepa; O. T. Mel'nik; O. S. Timofeev 📂 Article 📅 1988 🏛 Springer US 🌐 English ⚖ 257 KB

Chemical ionization mass spectrometry of

Chemical ionization mass spectrometry of some crown ethers

✍ F. Van Gaever; C. C. Van de Sande; M. Bucquoye; E. J. Goethals 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 English ⚖ 237 KB

Collision-activated dissociation mass sp

Collision-activated dissociation mass spectra of crown ethers, perfluorinated crown ethers and related macrocycles

✍ Simin Maleknia; Chien-Chung Liou; Jennifer Brodbelt 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 503 KB

The collision-activated dissociation (CAD) mass spectra for a series of crown ethers, perfluor0 crown ethers, cryptands and several dicyclohexano substituted crown ethers are reported. The CAD spectra were acquired with a triple quadrupole mass spectrometer, and in some cases spectra were recorded a

Mass spectrometry of the positionally is

Mass spectrometry of the positionally isomeric, monobenzyl ethers of methyl glycopyranosides

✍ Vincent Mihálov; Vladimír Kováčik; Rudolf Toman; Igor Tvaroška 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 600 KB

The electron-impact, mass-spectrometric behavior of all theoretically possible, positionally isomeric monobenzyl ethers of methyl pento-, hexo-, and 6-deoxyhexo-pyranosides is described, on the basis of 70-and 12-eV mass spectra, Odcuterium-labeling experiments, elemental composition, and metastable

Mass spectrometry of macroheterocycles.

Mass spectrometry of macroheterocycles. 2. Characteristics of the fragmentation of azacrown ethers under electron impact

✍ A. I. Gren'; O. S. Timofeev; A. V. Mazepa 📂 Article 📅 1992 🏛 Springer US 🌐 English ⚖ 270 KB